Article ; Online: CircABPD1 alleviates oxidative lung injury of bronchopulmonary dysplasia through regulating miR-330-3p/HIF1α axis.
The international journal of biochemistry & cell biology
2023 Volume 163, Page(s) 106464
Abstract: In the NICU, bronchopulmonary dysplasia (BPD) is a concerning common respiratory complication in preterm and low birth-weight infants. Clinical studies have confirmed that human milk has an important nutritional role for children with BPD, therefore, ... ...
| Abstract | In the NICU, bronchopulmonary dysplasia (BPD) is a concerning common respiratory complication in preterm and low birth-weight infants. Clinical studies have confirmed that human milk has an important nutritional role for children with BPD, therefore, dentification of beneficial components in human milk that prevent BPD is urgently needed. Our previous work showed that human milk exosomes (HM-Exos) could inhibit apoptosis of alveolar type II epithelial cells (AT II), and the circular RNA (circRNA)-circABPD1 were highly expressed in preterm colostrum milk exosomes. Exosomes transport circRNAs that are stable and may exert anti-inflammatory and immune effects attracted the attention of researchers, but the role and mechanism of human milk exosome-derived circABPD1 in BPD remains unclear. Here, we constructed BPD in vivo and in vitro models through exposure to hyperoxia, verified the effect of circABPD1 and revealed its mechanism through rescue experiments. We found that circABPD1 had circRNA properties, and overexpression of circABPD1 could improve reduced alveolar number, enlarged the alveolar linear intercept in vivo models of BPD, promote cell proliferation, reduce oxidative stress levels and alleviate lung epithelial cell damage in vivo and in vitro models. Mechanistically, circABPD1 targets miR-330-3p and regulates the expression of HIF1α. These results suggest that circABPD1 can improve the pathologoical changes of bronchopulmonary dysplasia, promote cell proliferation, inhibit oxidative stress level, and alleviate lung injury by targeting the miR-330-3p/HIF1α axis, which provides a new idea for the prevention and treatment of bronchopulmonary dysplasia. |
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| MeSH term(s) | Child ; Humans ; Infant ; Infant, Newborn ; Alveolar Epithelial Cells ; Bronchopulmonary Dysplasia/genetics ; Lung Injury/genetics ; MicroRNAs/genetics ; RNA, Circular/genetics ; Hypoxia-Inducible Factor 1, alpha Subunit/metabolism ; Milk, Human/metabolism |
| Chemical Substances | MicroRNAs ; MIRN330 microRNA, human ; RNA, Circular ; HIF1A protein, human ; Hypoxia-Inducible Factor 1, alpha Subunit |
| Language | English |
| Publishing date | 2023-09-01 |
| Publishing country | Netherlands |
| Document type | Journal Article ; Research Support, Non-U.S. Gov't |
| ZDB-ID | 1228429-4 |
| ISSN | 1878-5875 ; 1357-2725 |
| ISSN (online) | 1878-5875 |
| ISSN | 1357-2725 |
| DOI | 10.1016/j.biocel.2023.106464 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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